OpenTechnical

OT-2026-000072355

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000072355) never changes.

Identity and time

Publication numberOT-2026-000072355 · never reused
Internal UUID01a0ae92-47c3-7d22-baed-692d4efa4add · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072355
StatusPUBLIC

Content hashes

Canonical text63540ca751583f949030e5cceb0b3e82342eb3d14ab05f719a48bd71f8f4c067
Markdowna35e90bb3c5c94867127328862d7fbeb11499ee935414812cf1660c3df38b7d3
PDF
Publication paged0cbf1431cad9b66709153e32eabb0d58ba1c6d36044103c73a580f6c31bf07e
Manifestb72a4fe9edf5187bd3807426b23c6d791cb785e8357ffa5ba99da7d22ca9c8a2

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturebbdmnl6qK7KBWFhDEMDGf973FBjOWjLJx6EcXtkhzp1gNeiPYwoM6i49IHQfPXPZa+DcuR6JQnb+WFZXqHzBCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:35.352756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072355
observed d0cbf1431cad9b66709153e32eabb0d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.337353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072355/manifest.json
observed b72a4fe9edf5187bd3807426b23c6d79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.319820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072355/publication.md
observed a35e90bb3c5c94867127328862d7fbeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.300814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072355/publication.txt
observed 63540ca751583f949030e5cceb0b3e82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.